发明名称 |
VACUUM FEED SUPPLY SYSTEM FOR DRILLING FLUID ADDITIVES |
摘要 |
A system for forming a subterranean wellbore may include a pump and an additive supply. The pump pumps a drilling fluid into the wellbore while also generating a pressure differential that draws an additive across a supply line connected to the additive supply. The drilling fluid may be a gas or a liquid. A method for forming a wellbore may include drilling the wellbore, circulating a drilling fluid in the wellbore using a pump; and supplying an additive to the drilling fluid by flowing the additive across a supply line using a pressure differential generated by the pump. The pump may generate a vacuum pressure at a supply line outlet and/or create a pressure differential in the supply line. The flow of additive across the supply line may be regulated and/or stopped when the pump is not operating.
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申请公布号 |
US2009194331(A1) |
申请公布日期 |
2009.08.06 |
申请号 |
US20080026318 |
申请日期 |
2008.02.05 |
申请人 |
BAKER HUGHES INCORPORATED |
发明人 |
DYE WILLIAM M.;HANSEN NELS A.;TRENERY, JR. JOHN B. |
分类号 |
E21B21/08 |
主分类号 |
E21B21/08 |
代理机构 |
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